What drives society's understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifice and public executions to slavery and eating meat -- and makes a surprising case that exponential advances in technology leads to more ethical behavior.
Macinley Butson has won multiple awards for her inventions, including a device that improves protection from radiation during breast cancer treatment and a project enhancing the effectiveness of solar panels. In this talk, she shares how these forward-thinking endeavors were inspired by centuries-old technology, and how scientists need to shed their preconceptions about each other and their predecessors in order to do good work.
What's so special about Leonardo da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle explains the geometric, religious and philosophical significance of this deceptively simple drawing.